1994-1995: Programmer/Analyst for Honda Australia, Melbourne. Developed and maintained systems using COBOL.

1997-2002: Vice President, Why Not Creation Inc., USA
This is a start-up company during the dot.com boom in Silicon Valley. We raised a total of 10 million USD to build a web portal providing online greeting card services www.ynot.com. Now it’s a part of www.rakuten.co.jp (online greeting card section). In 2000 we had over 200 employees (80 in the US, 80 in Vietnam, 40 in Japan & 10 in France). I build the subsidiary in Japan (Why Not Co., Ltd.) in 1998 from scratch and later Why Not Japan was acquired by a well-known internet portal in Japan.

2002-2008: Chairman & CEO, Sang Tao Corporation, HCM. Sang Tao was founded in 1997 and was pioneer in providing ITO services in Vietnam.
Sang Tao was the first Vietnamese IT company acquired by a big Japanese IT company in 2007.